title: Transmission of HIV-1 infection in sub-Saharan Africa and effect of elimination of unsafe injections.
mesh_terms: D000293:Adolescent; D000328:Adult; D017954:Africa South of the Sahara / Q000453:epidemiology; D017677:Age Distribution; D002648:Child; D002675:Child, Preschool; D004866:Equipment Contamination / Q000517:prevention & control* / Q000706:statistics & numerical data; D005260:Female; D015658:HIV Infections / Q000517:prevention & control / Q000635:transmission*; D015497:HIV-1 / Q000302:isolation & purification; D006801:Humans; D007267:Injections / Q000009:adverse effects* / Q000592:standards; D007273:Injections, Intramuscular / Q000009:adverse effects / Q000592:standards; D008297:Male; D008875:Middle Aged; D009339:Needles / Q000592:standards / Q000821:virology*; D015995:Prevalence; D017678:Sex Distribution; D013019:South Africa / Q000453:epidemiology